Home / 132,487.68-198,725.76-32,643.12

Finding the Fourth Proportional to 132,487.68, 198,725.76 and 32,643.12

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Solution

The fourth proportional to 132,487.68, 198,725.76 and 32,643.12 is: 48,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,487.68 : 198,725.76 = 32,643.12 : x
  2. Step 2: Convert to fraction form
    132,487.68/198,725.76 = 32,643.12/x
  3. Step 3: Cross multiply
    132,487.68x = 198,725.76 × 32,643.12
  4. Step 4: Simplify right side
    132,487.68x = 6,487,028,830.77
  5. Step 5: Solve for x
    x = 6,487,028,830.77/132,487.68
  6. Step 6: Final answer
    x = 48,963.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.